The inestimable Baron Phillip Barron recently posted about the importance of content over format (see his post 'The Rules'). And it's almost certainly true that we aspiring types possibly worry too much about font point sizes and brackets.
Yet detail can be vital. There are occasions when a typo can be a timebomb. Let me draw your attention, sir/madam, to an example on the website of Liverpool bar/club Korova. How, for the love all things great and good, did that happen?
Please don't tell them, mind. I've suggested that a local friend of mine does so, in order to secure their eternal gratitude and hopefully free booze.